ALL UNITS TESTED IN WORKING CONDITION Designed in specifications for and performance. High quality and easy to install Stable performance and high reliability. Condition: new Waterproof rate: IP 68 Operation voltage:DC 12V Working temp: -40 ~ +80 Shell meterial: aviation aluminum Fitment Type: Direct Replacement Part Number: A1668203589 - A166 820 35 89, A 166 820 35 89 - A 1668203589, A2189009303 - A218 900 93 03, A 218 900 93 03 - A 2189009303 Fitments: For A-Class W176 2014-2016 For CLA-Class W117 2014-2016 colour: silver + black Material: metal Package Contents: 1 x Control Unit Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.